What Is Twerking?

There's a new trend everyone's talking about and if you don't know about it, you need to learn about it - and fast.

Twerking is taking the world by storm, leaving the likes of Gangnam-Style and the Harlem Shake limp in its wake.

Defined by the Urban Dictionary as:

"The rhythmic gyrating of the lower fleshy extremities in a lascivious manner with the intent to elicit sexual arousal or laughter in ones intended audience."

Here's what it looks like:

Harry Styles does it:

If all else fails, The Guardian has taken the time to produce a handy step-by-step guide for anyone wanting to learn about to dance "twerk-style".